Exhaust is a normal physiological phenomenon of the human body, because the human intestinal tract belongs to the state of running at any time. In the process of running there will be exhaust gas discharge, but if the frequency and number of times is more, it may represent the body abnormal, mostly due to the following situations: 1, may be due to the patient’s gastrointestinal tract peristalsis is too fast, or eat too fast, indigestion and caused by the 2, it may be due to the cold or do a more strenuous exercise caused by the 3, it may be the recent eating of gas-prone food, such as soybean products, onions and other foods. 4, may be suffering from proctitis, intestinal tumors and other organic lesions caused. Considering that a variety of reasons can cause this symptom, it is best to go to the relevant departments of the hospital for diagnosis before treatment.